Merge pull request #1414 from LukasKorba/1412-Review-wipe-function-and-in-memory-values

[#1412] Review wipe function and in memory values

CHANGELOG.md

@@ -6,6 +6,12 @@ and this library adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 # Unreleased
 
+## Changed
+- The database locking mechanism has been changed to use async/await concurrency approach - the DBActor.
+
+## Fixed
+- Call of wipe() resets local (in memory) values. 
+
 # 2.1.3 - 2024-03-28
 
 ## Fixed

Sources/ZcashLightClientKit/Block/CompactBlockProcessor.swift

@@ -386,6 +386,8 @@ extension CompactBlockProcessor {
 
             try await rewindDownloadBlockAction(to: nil)
 
+            await latestBlocksDataProvider.reset()
+            
             await context.completion(nil)
         } catch {
             await context.completion(error)

Sources/ZcashLightClientKit/Providers/LatestBlocksDataProvider.swift

@@ -12,7 +12,8 @@ protocol LatestBlocksDataProvider {
     var maxScannedHeight: BlockHeight { get async }
     var latestBlockHeight: BlockHeight { get async }
     var walletBirthday: BlockHeight { get async }
-
+    
+    func reset() async
     func updateScannedData() async
     func updateBlockData() async
     func updateWalletBirthday(_ walletBirthday: BlockHeight) async
@@ -36,6 +37,13 @@ actor LatestBlocksDataProviderImpl: LatestBlocksDataProvider {
         self.rustBackend = rustBackend
     }
     
+    func reset() async {
+        fullyScannedHeight = .zero
+        maxScannedHeight = .zero
+        latestBlockHeight = .zero
+        walletBirthday = .zero
+    }
+    
     func updateScannedData() async {
         fullyScannedHeight = (try? await rustBackend.fullyScannedHeight()) ?? walletBirthday
         maxScannedHeight = (try? await rustBackend.maxScannedHeight()) ?? walletBirthday

Tests/TestUtils/Sourcery/GeneratedMocks/AutoMockable.generated.swift

@@ -671,6 +671,19 @@ class LatestBlocksDataProviderMock: LatestBlocksDataProvider {
     }
     var underlyingWalletBirthday: BlockHeight!
 
+    // MARK: - reset
+
+    var resetCallsCount = 0
+    var resetCalled: Bool {
+        return resetCallsCount > 0
+    }
+    var resetClosure: (() async -> Void)?
+
+    func reset() async {
+        resetCallsCount += 1
+        await resetClosure!()
+    }
+
     // MARK: - updateScannedData
 
     var updateScannedDataCallsCount = 0